/Engine/Source/Runtime/SignalProcessing/Public/DSP/EnvelopeFollower.h
FInlineEnvlepeFollower is useful for low samplerate use cases and where samples are only available one at a time. This class is inlined becaused there are situations where it is needed in a CPU intensive situations.
class FInlineEnvelopeFollower : public [Audio::FAttackRelease](API\Runtime\SignalProcessing\DSP\FAttackRelease)